GSX-R600/GSX-R750 General forum
I have been swapping out my 2011 600 engine for A 2015 gsxr 750 .I have learned in the process you do NOT need the 750 wiring harness it all works from the 600 , the exhaust is the same also. The difference between the two air box's are the velocity stacks are taller on number 2 & 3 throttle...